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CODECOMPOSER: Step Over fails while using higher optmization level

Jose Thomas
Prodigy 10 points
Part Number: CODECOMPOSER

Tool/software:

Hi,

While using TI-ARM-LLVM generated out file with VS Code and OpenOCD, fw fails to step over in some firmwares. This is happening when optimization level is enabled. Attaching the compiler test case. 


Fullscreen compiler_version.txt Download 
******************************************************************************
            TI ARM Clang Linker PC v3.2.2                      
******************************************************************************
>> Linked Thu Aug  7 11:33:21 2025

OUTPUT FILE NAME:   <empty_LP_EM_CC2340R53_freertos_ticlang.out>
main_freertos.o.txt
Fullscreen full_build_log.txt Download 
**** Build of configuration Debug for project empty_LP_EM_CC2340R53_freertos_ticlang ****

"C:\\ti\\ccs1271\\ccs\\utils\\bin\\gmake" -k -j 8 all -O 
 
Building file: "../empty.syscfg"
Invoking: SysConfig
"C:/ti/sysconfig_1.23.2/sysconfig_cli.bat" --script "C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/empty.syscfg" -o "syscfg" -s "C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/.metadata/product.json" --compiler ticlang
Running script...
Validating...
Generating Code (empty.syscfg)...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_devices_config.c...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_drivers_config.c...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_drivers_config.h...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_utils_build_linker.cmd.genlibs...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_utils_build_linker.cmd.genmap...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_utils_build_compiler.opt...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\syscfg_c.rov.xs...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\FreeRTOSConfig.h...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_freertos_config.c...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_freertos_portable_config.c...
Finished building: "../empty.syscfg"
 
Building file: "../empty.c"
Invoking: Arm Compiler
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -c -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/kernel/freertos" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/ti/posix/ticlang" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/include" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/portable/GCC/ARM_CM0" -gdwarf-3 -MMD -MP -MF"empty.d_raw" -MT"empty.o" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg"  @"syscfg/ti_utils_build_compiler.opt"  -o"empty.o" "../empty.c"
Finished building: "../empty.c"
 
Building file: "syscfg/ti_devices_config.c"
Invoking: Arm Compiler
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -c -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/kernel/freertos" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/ti/posix/ticlang" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/include" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/portable/GCC/ARM_CM0" -gdwarf-3 -MMD -MP -MF"syscfg/ti_devices_config.d_raw" -MT"syscfg/ti_devices_config.o" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg"  @"syscfg/ti_utils_build_compiler.opt"  -o"syscfg/ti_devices_config.o" "syscfg/ti_devices_config.c"
Finished building: "syscfg/ti_devices_config.c"
 
Building file: "syscfg/ti_drivers_config.c"
Invoking: Arm Compiler
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -c -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/kernel/freertos" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/ti/posix/ticlang" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/include" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/portable/GCC/ARM_CM0" -gdwarf-3 -MMD -MP -MF"syscfg/ti_drivers_config.d_raw" -MT"syscfg/ti_drivers_config.o" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg"  @"syscfg/ti_utils_build_compiler.opt"  -o"syscfg/ti_drivers_config.o" "syscfg/ti_drivers_config.c"
Finished building: "syscfg/ti_drivers_config.c"
 
Building file: "syscfg/ti_freertos_config.c"
Invoking: Arm Compiler
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -c -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/kernel/freertos" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/ti/posix/ticlang" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/include" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/portable/GCC/ARM_CM0" -gdwarf-3 -MMD -MP -MF"syscfg/ti_freertos_config.d_raw" -MT"syscfg/ti_freertos_config.o" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg"  @"syscfg/ti_utils_build_compiler.opt"  -o"syscfg/ti_freertos_config.o" "syscfg/ti_freertos_config.c"
Finished building: "syscfg/ti_freertos_config.c"
 
Building file: "syscfg/ti_freertos_portable_config.c"
Invoking: Arm Compiler
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -c -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/kernel/freertos" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/ti/posix/ticlang" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/include" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/portable/GCC/ARM_CM0" -gdwarf-3 -MMD -MP -MF"syscfg/ti_freertos_portable_config.d_raw" -MT"syscfg/ti_freertos_portable_config.o" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg"  @"syscfg/ti_utils_build_compiler.opt"  -o"syscfg/ti_freertos_portable_config.o" "syscfg/ti_freertos_portable_config.c"
Finished building: "syscfg/ti_freertos_portable_config.c"
 
Building file: "../main_freertos.c"
Invoking: Arm Compiler
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -c -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/kernel/freertos" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/ti/posix/ticlang" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/include" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/portable/GCC/ARM_CM0" -gdwarf-3 -MMD -MP -MF"main_freertos.d_raw" -MT"main_freertos.o" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg"  @"syscfg/ti_utils_build_compiler.opt"  -o"main_freertos.o" "../main_freertos.c"
Finished building: "../main_freertos.c"
 
Building target: "empty_LP_EM_CC2340R53_freertos_ticlang.out"
Invoking: Arm Linker
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -gdwarf-3 -Wl,-m"empty_LP_EM_CC2340R53_freertos_ticlang.map" -Wl,-i"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -Wl,-i"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg" -Wl,-i"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/lib" -Wl,--diag_wrap=off -Wl,--display_error_number -Wl,--warn_sections -Wl,--xml_link_info="empty_LP_EM_CC2340R53_freertos_ticlang_linkInfo.xml" -Wl,--rom_model -o "empty_LP_EM_CC2340R53_freertos_ticlang.out" "./empty.o" "./syscfg/ti_devices_config.o" "./syscfg/ti_drivers_config.o" "./syscfg/ti_freertos_config.o" "./syscfg/ti_freertos_portable_config.o" "./main_freertos.o" "../lpf3_freertos.cmd"  -Wl,-lti_utils_build_linker.cmd.genlibs -Wl,-llibc.a 
Finished building target: "empty_LP_EM_CC2340R53_freertos_ticlang.out"
 
"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/tools/common/crc_tool/crc_tool" patch-image --elf "C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/empty_LP_EM_CC2340R53_freertos_ticlang.out" --symbol-prefix ti_utils_build_GenMap_sym_CRC --output "C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/empty_LP_EM_CC2340R53_freertos_ticlang.out"
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmobjcopy" -O ihex "C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/empty_LP_EM_CC2340R53_freertos_ticlang.out" "C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/empty_LP_EM_CC2340R53_freertos_ticlang.hex"
 
INFO:root:Iterating symbols, looking for prefix: ti_utils_build_GenMap_sym_CRC
INFO:root:Inserting CRC section for variable pair with stem: ti_utils_build_GenMap_sym_CRC_CCFG_BOOT_CFG = (0x4e020000, 0x4e02000b)
INFO:root:Updating CRC32 field @ address 0x4e02000c, based on data in the range [0x4e020000, 0x4e02000b]. Value changes from 0x00000000 to 0xffffffff
INFO:root:Inserting CRC section for variable pair with stem: ti_utils_build_GenMap_sym_CRC_CCFG = (0x4e020010, 0x4e02074b)
INFO:root:Updating CRC32 field @ address 0x4e02074c, based on data in the range [0x4e020010, 0x4e02074b]. Value changes from 0x00000000 to 0xb714dfb7
INFO:root:Inserting CRC section for variable pair with stem: ti_utils_build_GenMap_sym_CRC_CCFG_DEBUG = (0x4e0207d0, 0x4e0207fb)
INFO:root:Updating CRC32 field @ address 0x4e0207fc, based on data in the range [0x4e0207d0, 0x4e0207fb]. Value changes from 0x00000000 to 0x527294a2
INFO:root:Writing patched ELF file to C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/empty_LP_EM_CC2340R53_freertos_ticlang.out

**** Build Finished ****
Fullscreen file_build_log.txt Download 
**** Build of configuration Debug for project empty_LP_EM_CC2340R53_freertos_ticlang ****

"C:\\ti\\ccs1271\\ccs\\utils\\bin\\gmake" -k -j 8 main_freertos.o -O 
 
Building file: "../empty.syscfg"
Invoking: SysConfig
"C:/ti/sysconfig_1.23.2/sysconfig_cli.bat" --script "C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/empty.syscfg" -o "syscfg" -s "C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/.metadata/product.json" --compiler ticlang
Running script...
Validating...
Generating Code (empty.syscfg)...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_devices_config.c...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_drivers_config.c...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_drivers_config.h...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_utils_build_linker.cmd.genlibs...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_utils_build_linker.cmd.genmap...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_utils_build_compiler.opt...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\syscfg_c.rov.xs...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\FreeRTOSConfig.h...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_freertos_config.c...
Writing C:\Users\a0496557\workspace_v12\empty_LP_EM_CC2340R53_freertos_ticlang\Debug\syscfg\ti_freertos_portable_config.c...
Finished building: "../empty.syscfg"
 
Building file: "../main_freertos.c"
Invoking: Arm Compiler
"C:/ti/ccs1271/ccs/tools/compiler/ti-cgt-armllvm_3.2.2.LTS/bin/tiarmclang.exe" -c -march=thumbv6m -mcpu=cortex-m0plus -mfloat-abi=soft -mlittle-endian -mthumb -Oz -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang" -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/kernel/freertos" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/ti/posix/ticlang" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/include" -I"C:/ti/simplelink_lowpower_f3_sdk_9_11_00_18/source/third_party/freertos/portable/GCC/ARM_CM0" -gdwarf-3 -C -E -I"C:/Users/a0496557/workspace_v12/empty_LP_EM_CC2340R53_freertos_ticlang/Debug/syscfg"  @"syscfg/ti_utils_build_compiler.opt"  -o"main_freertos.o" "../main_freertos.c"
Finished building: "../main_freertos.c"
 

**** Build Finished ****
https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/81/empty_5F00_LP_5F00_EM_5F00_CC2340R53_5F00_freertos_5F00_ticlang.outhttps://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/81/empty_5F00_LP_5F00_EM_5F00_CC2340R53_5F00_freertos_5F00_ticlang.map

  • 0
    TI__Guru**** 464751 points
    Jose Thomas said:
    This is happening when optimization level is enabled. Attaching the compiler test case. 

    Optimization can greatly impact source level debug visibility such as source stepping. The bigger question is if the program runs as expected (ignoring source stepping behavior in the debugger). Does it run correctly?

    Thanks

    ki